[Correction] Wings - Upper Aft Skin - Inspection
- Published
- Effective
- Deadline
AI-generated summary of the official EASA document. Verify against the PDF before acting.
What to do
Operators of Boeing 737-100, -200, -200C, -300, -400, and -500 series airplanes must perform repetitive inspections of the upper aft wing skin for cracking as specified in AD 2017-24-05 and carry out repairs if necessary. The AD became effective on January 2, 2018, and compliance with inspection intervals and repair instructions must be maintained accordingly. Stakeholders should refer to Boeing Alert Service Bulletin 737-57A1329 for detailed procedures.
Summary
Correction to Airworthiness Directive 2017-24-05 issued by the Federal Aviation Administration (FAA) affecting The Boeing Company Model 737-100, -200, -200C, -300, -400, and -500 series airplanes. This directive addresses repetitive inspections and necessary repairs for cracking in the upper aft skin at the rear spar of the wings. The correction clarifies the applicability section regarding the affected airplane models.
What changed
The correction modifies the applicability section of AD 2017-24-05 to explicitly list the affected Boeing 737 models as -100, -200, -200C, -300, -400, and -500 series airplanes. Additionally, the original AD introduces repetitive inspections for cracking of the upper aft wing skin and mandates repairs if cracks are found. The correction does not change the inspection or repair requirements but clarifies the affected models.
Why it matters
This correction ensures that operators and maintenance personnel clearly understand which Boeing 737 models are subject to the inspection and repair requirements, preventing any ambiguity in compliance. Accurate applicability is critical for maintaining airworthiness and safety by ensuring that all affected aircraft undergo necessary inspections to detect and address wing skin cracking. It helps compliance teams avoid misinterpretation that could lead to unsafe conditions or regulatory violations.
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